Annotation of OpenXM_contrib/gnuplot/docs/doc2html.c, Revision 1.1
1.1 ! maekawa 1: /*
! 2: * $Id: doc2html.c,v 1.10 1998/04/14 00:16:58 drd Exp $
! 3: *
! 4: */
! 5:
! 6: /* GNUPLOT - doc2html.c */
! 7:
! 8: /*[
! 9: * Copyright 1986 - 1993, 1998 Thomas Williams, Colin Kelley
! 10: *
! 11: * Permission to use, copy, and distribute this software and its
! 12: * documentation for any purpose with or without fee is hereby granted,
! 13: * provided that the above copyright notice appear in all copies and
! 14: * that both that copyright notice and this permission notice appear
! 15: * in supporting documentation.
! 16: *
! 17: * Permission to modify the software is granted, but not the right to
! 18: * distribute the complete modified source code. Modifications are to
! 19: * be distributed as patches to the released version. Permission to
! 20: * distribute binaries produced by compiling modified sources is granted,
! 21: * provided you
! 22: * 1. distribute the corresponding source modifications from the
! 23: * released version in the form of a patch file along with the binaries,
! 24: * 2. add special version identification to distinguish your version
! 25: * in addition to the base release version number,
! 26: * 3. provide your name and address as the primary contact for the
! 27: * support of your modified version, and
! 28: * 4. retain our contact information in regard to use of the base
! 29: * software.
! 30: * Permission to distribute the released version of the source code along
! 31: * with corresponding source modifications in the form of a patch file is
! 32: * granted with same provisions 2 through 4 for binary distributions.
! 33: *
! 34: * This software is provided "as is" without express or implied warranty
! 35: * to the extent permitted by applicable law.
! 36: ]*/
! 37:
! 38: /*
! 39: * doc2html.c -- program to convert Gnuplot .DOC format to
! 40: * World Wide Web (WWW) HyperText Markup Language (HTML) format
! 41: *
! 42: * Created by Russell Lang from doc2ipf by Roger Fearick from
! 43: * doc2rtf by M Castro from doc2gih by Thomas Williams.
! 44: * 1994-11-03
! 45: *
! 46: * usage: doc2html gnuplot.doc gnuplot.htm
! 47: *
! 48: */
! 49:
! 50: /* note that tables must begin in at least the second column to */
! 51: /* be formatted correctly and tabs are forbidden */
! 52:
! 53: #ifdef HAVE_CONFIG_H
! 54: # include "config.h"
! 55: #endif
! 56:
! 57: #include "ansichek.h"
! 58: #include "stdfn.h"
! 59:
! 60: #define MAX_LINE_LEN 1023
! 61:
! 62: #include "doc2x.h"
! 63: #include "xref.h"
! 64:
! 65: static boolean debug = FALSE;
! 66: char title[256];
! 67:
! 68: void convert __PROTO((FILE *, FILE *));
! 69: void process_line __PROTO((char *, FILE *));
! 70:
! 71: /* From xref.c */
! 72: extern struct LIST *lookup __PROTO((char *));
! 73:
! 74: int main(argc, argv)
! 75: int argc;
! 76: char **argv;
! 77: {
! 78: FILE *infile;
! 79: FILE *outfile;
! 80:
! 81: if (argv[argc - 1][0] == '-' && argv[argc - 1][1] == 'd') {
! 82: debug = TRUE;
! 83: argc--;
! 84: }
! 85: if ((argc > 3) || (argc == 1)) {
! 86: fprintf(stderr, "Usage: %s infile outfile\n", argv[0]);
! 87: exit(EXIT_FAILURE);
! 88: }
! 89: if ((infile = fopen(argv[1], "r")) == (FILE *) NULL) {
! 90: fprintf(stderr, "%s: Can't open %s for reading\n",
! 91: argv[0], argv[1]);
! 92: exit(EXIT_FAILURE);
! 93: }
! 94: if (argc == 3) {
! 95: if ((outfile = fopen(argv[2], "w")) == (FILE *) NULL) {
! 96: fprintf(stderr, "%s: Can't open %s for writing\n",
! 97: argv[0], argv[2]);
! 98: exit(EXIT_FAILURE);
! 99: }
! 100: safe_strncpy(title, argv[2], sizeof(title));
! 101: } else {
! 102: outfile = stdout;
! 103: safe_strncpy(title, argv[1], sizeof(title));
! 104: }
! 105: strtok(title, "."); /* remove type */
! 106: parse(infile);
! 107: convert(infile, outfile);
! 108: exit(EXIT_SUCCESS);
! 109: }
! 110:
! 111: void convert(a, b)
! 112: FILE *a, *b;
! 113: {
! 114: static char line[MAX_LINE_LEN+1];
! 115:
! 116: /* generate html header */
! 117: fprintf(b, "<HTML>\n\
! 118: <HEAD>\n\
! 119: <TITLE>%s</TITLE>\n\
! 120: </HEAD>\n\
! 121: <BODY>\n\
! 122: <H1>%s</H1><P>\n", title, title);
! 123:
! 124: /* process each line of the file */
! 125: while (get_line(line, sizeof(line), a)) {
! 126: process_line(line, b);
! 127: }
! 128:
! 129: /* close final page and generate trailer */
! 130: fprintf(b, "\n<P><HR>Created automatically by doc2html\n\
! 131: </BODY>\n\
! 132: </HTML>\n");
! 133:
! 134: list_free();
! 135: }
! 136:
! 137: void process_line(line, b)
! 138: char *line;
! 139: FILE *b;
! 140: {
! 141: static int line_count = 0;
! 142: static char line2[MAX_LINE_LEN+1];
! 143: static int last_line;
! 144: char hyplink1[64];
! 145: int i, j;
! 146: static int startpage = 1;
! 147: char topic[MAX_LINE_LEN+1];
! 148: int k, l;
! 149: struct LIST *klist;
! 150: static int tabl = 0;
! 151: static int para = 0;
! 152: static int inquote = FALSE;
! 153: static int inref = FALSE;
! 154:
! 155: line_count++;
! 156:
! 157: i = j = 0;
! 158:
! 159: while (line[i] != NUL) {
! 160: switch (line[i]) {
! 161: case '<':
! 162: strcpy(&line2[j], "<");
! 163: j += strlen("<.") - 1;
! 164: break;
! 165:
! 166: case '>':
! 167: strcpy(&line2[j], ">");
! 168: j += strlen(">.") - 1;
! 169: break;
! 170:
! 171: case '&':
! 172: strcpy(&line2[j], "&");
! 173: j += strlen("&") - 1;
! 174: break;
! 175:
! 176: case '\r':
! 177: case '\n':
! 178: break;
! 179: case '`': /* backquotes mean boldface or link */
! 180: if ((!inref) && (!inquote)) {
! 181: k = i + 1; /* index into current string */
! 182: l = 0; /* index into topic string */
! 183: while ((line[k] != '`') && (line[k] != NUL))
! 184: topic[l++] = line[k++];
! 185: topic[l] = NUL;
! 186: klist = lookup(topic);
! 187: if (klist && ((k = klist->line) != last_line)) {
! 188: sprintf(hyplink1, "<A HREF=\042#%d\042>", k);
! 189: strcpy(line2 + j, hyplink1);
! 190: j += strlen(hyplink1) - 1;
! 191:
! 192: inref = k;
! 193: } else {
! 194: if (debug && k != last_line)
! 195: fprintf(stderr, "Can't make link for \042%s\042 on line %d\n", topic, line_count);
! 196: line2[j++] = '<';
! 197: line2[j++] = 'B';
! 198: line2[j] = '>';
! 199: inquote = TRUE;
! 200: }
! 201: } else {
! 202: if (inquote && inref)
! 203: fprintf(stderr, "Warning: Reference Quote conflict line %d\n", line_count);
! 204: if (inquote) {
! 205: line2[j++] = '<';
! 206: line2[j++] = '/';
! 207: line2[j++] = 'B';
! 208: line2[j] = '>';
! 209: inquote = FALSE;
! 210: }
! 211: if (inref) {
! 212: /* must be inref */
! 213: line2[j++] = '<';
! 214: line2[j++] = '/';
! 215: line2[j++] = 'A';
! 216: line2[j] = '>';
! 217: inref = 0;
! 218: }
! 219: }
! 220: break;
! 221: default:
! 222: line2[j] = line[i];
! 223: }
! 224: i++;
! 225: j++;
! 226: line2[j] = NUL;
! 227: }
! 228:
! 229: i = 1;
! 230:
! 231: switch (line[0]) { /* control character */
! 232: case '?':{ /* interactive help entry */
! 233: #ifdef FIXLATER
! 234: if (intable)
! 235: intablebut = TRUE;
! 236: fprintf(b, "\n:i1. %s", &(line[1])); /* index entry */
! 237: #endif
! 238: break;
! 239: }
! 240: case '@':{ /* start/end table */
! 241: break; /* ignore */
! 242: }
! 243: case '#':{ /* latex table entry */
! 244: break; /* ignore */
! 245: }
! 246: case '^':{ /* external link escape */
! 247: (void) fputs(line + 1, b); /* copy directly */
! 248: break; /* ignore */
! 249: }
! 250: case '%':{ /* troff table entry */
! 251: break; /* ignore */
! 252: }
! 253: case '\n': /* empty text line */
! 254: if (tabl)
! 255: fprintf(b, "</PRE>\n"); /* rjl */
! 256: para = 0;
! 257: tabl = 0;
! 258: fprintf(b, "<P>");
! 259: break;
! 260: case ' ':{ /* normal text line */
! 261: if ((line2[1] == NUL) || (line2[1] == '\n')) {
! 262: fprintf(b, "<P>");
! 263: para = 0;
! 264: tabl = 0;
! 265: }
! 266: if (line2[1] == ' ') {
! 267: if (!tabl) {
! 268: fprintf(b, "<PRE>\n");
! 269: }
! 270: fprintf(b, "%s\n", &line2[1]);
! 271: tabl = 1;
! 272: para = 0;
! 273: } else {
! 274: if (tabl) {
! 275: fprintf(b, "</PRE>\n<P>"); /* rjl */
! 276: }
! 277: tabl = 0;
! 278: if (!para)
! 279: para = 1; /* not in para so start one */
! 280: fprintf(b, "%s \n", &line2[1]);
! 281: }
! 282: break;
! 283: }
! 284: default:{
! 285: if (isdigit((int)line[0])) { /* start of section */
! 286: if (tabl)
! 287: fprintf(b, "</PRE>\n"); /* rjl */
! 288: if (startpage) { /* use the new level 0 */
! 289: refs(0, b, "<P>\n", "<P>\n", "<A HREF=\042#%d\042>%s</A><BR>\n");
! 290: } else {
! 291: refs(last_line, b, "<P>\n", "<P>\n", "<A HREF=\042#%d\042>%s</A><BR>\n");
! 292: }
! 293: para = 0; /* not in a paragraph */
! 294: tabl = 0;
! 295: last_line = line_count;
! 296: startpage = 0;
! 297: if (debug)
! 298: fprintf(stderr, "%d: %s\n", line_count, &line2[1]);
! 299: klist = lookup(&line2[1]);
! 300: if (klist)
! 301: k = klist->line;
! 302: else
! 303: k = -1;
! 304: /* output unique ID and section title */
! 305: fprintf(b, "<HR><A NAME=\042%d\042>\n<H%c>", line_count, line[0] == '1' ? line[0] : line[0] - 1);
! 306: fprintf(b, &(line2[1])); /* title */
! 307: fprintf(b, "</H%c>\n<P>", line[0] == '1' ? line[0] : line[0] - 1);
! 308: } else
! 309: fprintf(stderr, "unknown control code '%c' in column 1, line %d\n",
! 310: line[0], line_count);
! 311: break;
! 312: }
! 313: }
! 314: }
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